According to the question, the total amount of work is 60x units. Therefore: 60x=(x+20)×30 60x=30x+600 30x=600 x = 600/30 x = 20
The ratio of the present ages of P and Q is 8:5 respectively. If the age of P 14 years hence from now will be 100% more than the age of Q 4 years ago fr...
If 3 years is subtracted from the present age of R and the remainder is divided by 9, then the present age of his grandson A is obtained. If A is 4 yea...
The ratio of the present age of A to that of B is 7:9. Six years ago the ratio of 1/3 of A’s age at that time and 1/3 of B’s age at that time was 1:...
12 years ago from now, ratio of ages of ‘R’ and ‘L’ was 3:5, respectively. If ‘L’ is 8 years elder to ‘R’, then what will be the age of ...
The ratio of age of A and his son is 5:2. If the difference of their ages 4 year ago is 21, then find the sum of ages of A and his son 9 year hence?
Four years ago, the age of 'P' was 25% less than the current age of 'Q'. 9 years ago, the average age of 'Q' and 'R' was 25 years. To find the current a...
The ratio of the present ages of Ginni and Binni is 12:5 respectively. Ginni is ‘n’ years older than Binni. If after 6 years, the ratio of the ages ...
Sum of the present ages of A, B, C and D is 55 years. After 5 years ratio of their ages is 5:4:3:3. What is C’s present age?
A certain sum of money becomes 4 times of itself in 15 years at simple interest. In how many years does it become double of itself at the same rate of s...
B is 3 years older than A and A is 7 years older than C. If the sum of the age of A and C is 27 years, then find the sum of the ages of all three.
